Mathematics, 23.01.2021 01:00 Shavaila18
A statistics instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags. They weighed 9.8, 9.3, 9.5, and 9.5 pounds. Assume that the distribution of weights is Normal. Find a 95% confidence interval for the mean weight of all bags of oranges. Use technology for your calculations.
a. Choose the correct interpretation of the confidence interval below and, if necessary, fill in the answer boxes to complete your choice.
A.
We are 95% confident that the sample mean is between nothing and nothing.
B.
We are 95% confident the population mean is between nothing and nothing.
C.
There is a 95% chance that all intervals will be between nothing and nothing.
D.
The requirements for constructing a confidence interval are not satisfied.
Answers: 1
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Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?
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Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
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Mathematics, 22.06.2019 00:30
Nicole purchased a container of cashews that weighs 5 kilograms. zion purchased a container of cashews that weighs 4,900 grams. how many more grams of cashews did nicole purchase?
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A statistics instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weig...
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